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* * dtable.cc (set_std_handle): Call SetStdHandle with NULL if fd is closed.Christopher Faylor2012-03-201-7/+7
| | | | | | (dtable::release): "Close" standard handle if appropriate. * dcrt0.cc (dll_crt0_0): Fix minor switch formatting problem. * fork.cc (frok::parent): Make minor comment indentation change.
* * child_info.h (CURR_CHILD_INFO_MAGIC): Reset.Christopher Faylor2012-03-201-0/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (child_info::rd_proc_pipe): Declare new field. (child_info::wr_proc_pipe): Ditto. (child_info::prefork): Declare new function, derived from previous pinfo version. * dcrt0.cc (child_info_fork::handle_fork): Close previous wr_proc_pipe when appropriate and assign new one from passed-in child_info block. (child_info_spawn::handle_spawn): Assign our wr_proc_pipe handle from passed-in child_info block. * fork.cc (child_info::prefork): Define new function. (frok::child): Clear rd_proc_pipe and wr_proc_pipe so they will not be closed by the child_info destructor. (frok::parent): Use child_info prefork handling, outside of retry loop. Set rd_proc_pipe in child's pinfo after successful CreateProcess. Eliminate postfork call. * globals.cc (my_wr_proc_pipe): Define/declare new variable. * pinfo.cc (pinfo::pending_rd_proc_pipe): Delete. (pinfo::pending_wr_proc_pipe): Ditto. (pinfo::prefork): Ditto. (pinfo::postfork): Ditto. (pinfo::postexec): Ditto. (pinfo::wait): Assume that rd_proc_pipe is set up correctly prior to call. (_pinfo::alert_parent): Replace "wr_proc_pipe" with "my_wr_proc_pipe". * pinfo.h (_pinfo::_wr_proc_pipe): Delete declaration. (_pinfo::set_rd_proc_pipe): Define new function. (pinfo::pending_rd_proc_pipe): Delete declaration. (pinfo::pending_wr_proc_pipe): Ditto. (pinfo::prefork): Ditto. (pinfo::postfork): Ditto. (pinfo::postexec): Ditto. (pinfo::wr_proc_pipe): Ditto. * sigproc.cc (child_info::child_info): Clear rd_proc_pipe and wr_proc_pipe. (child_info::cleanup): Close rd_proc_pipe and wr_proc_pipe if necessary. (child_info_fork::child_info_fork): Set forker_finished to NULL by default. (child_info_spawn::child_info_spawn): Use my_wr_proc_pipe rather than myself->wr_proc_pipe. (child_info::sync): Ditto. (child_info_spawn::cleanup): Call child_info::cleanup. * spawn.cc (child_info_spawn::worker): Remove call to myself.prefork(). Set wr_proc_pipe when execing or set up new rd_proc_pipe/wr_proc_pipe via child_info::prefork when spawning. Remove call to pinfo::postexec. Set rd_proc_pipe in child pinfo when spawning. Use my_wr_proc_pipe rather than myself->wr_proc_pipe. Remove call to postfork.
* * init.cc (dll_entry): Move wincap.init call back from here...Corinna Vinschen2012-03-051-1/+2
| | | | * dcrt0.cc (dll_crt0_0): ...to here.
* * dcrt0.cc (is_dos_path): New macro to recognize drive letter and UNCCorinna Vinschen2012-01-271-2/+10
| | | | | DOS paths. (globify): Call is_dos_path instead of isdrive.
* * dcrt0.cc (_dll_crt0): Rephrase comments. Set $ebp to NULL, as inCorinna Vinschen2011-12-211-5/+7
| | | | | | the pthread stack setup. * wow64.cc (wow64_revert_to_original_stack): Rephrase some comments. Return _tlsbase-16 rather than _main_tls-4 so as not to waste stack.
* * dcrt0.cc (dll_crt0_0): Check for wincap.wow64_has_secondary_stackCorinna Vinschen2011-12-191-8/+10
| | | | | | | | | | | | | | | rather than for wincap.is_wow64. Accommodate name change from wow64_has_64bit_parent to wow64_needs_stack_adjustment. Align comment. (_dll_crt0): Ditto. * wincap.h (wincaps::wow64_has_secondary_stack): New element. * wincap.cc: Implement above element throughout. (wincapc::init): Set wow64_has_secondary_stack to false on non-64 bit systems. * wow64.cc (wow64_needs_stack_adjustment): Rename (hopefully the last time) from wow64_has_64bit_parent. (wow64_eval_expected_main_stack): Fix comment to reflect real life. (wow64_test_for_64bit_parent): Fix comment. * wow64.h (wow64_needs_stack_adjustment): Accommodate new name.
* Clean up whitespace.Christopher Faylor2011-12-171-2/+2
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* * dcrt0.cc (_dll_crt0): Fix formatting.Corinna Vinschen2011-12-171-6/+3
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* * dcrt0.cc (child_info_fork::alloc_stack): Correctly check if theCorinna Vinschen2011-12-161-3/+5
| | | | | | | | | | | | parent stack fits into the child stack. Align comment. * wow64.cc (wow64_eval_expected_main_stack): New function to fetch expected addresses of main thread stack from PE/COFF image header values. (wow64_test_for_64bit_parent): Fix comment. Check current stack against real expected main thread stack addresses. (wow64_revert_to_original_stack): Fix and add comments. Check memory against real expected main thread stack addresses. Use orignal stack if reserved area is >= 256K.
* * Makefile.in (DLL_OFILES): Add wow64.o.Corinna Vinschen2011-12-161-86/+52
| | | | | | | | | | | | | | | | | | | | | | | | * dcrt0.cc (CYGWIN_GUARD): Drop execute permission for stack, it's not used for stacks by the OS either. (child_info_fork::alloc_stack_hard_way): Ditto. (child_info_fork::alloc_stack): Don't alloc_stack_hard_way under WOW64 if forked from a 64 bit parent. Set child's StackBase to parent's StackBase. Add comments to explain why. (wow64_respawn): Move to wow64.cc. (wow64_started_from_native64): Move to wow64.cc. (respawn_wow64_process): Move to wow64.cc. (dll_crt0_0): Drop wow64_test_stack_marker and move stack test into wow64_test_for_64bit_parent function. Don't return early if WOW64 process has been started from native 64 bit process. (_dll_crt0): Implement moving stack for WOW64 processes started from native 64 bit process. * wow64.cc: New file. (wow64_has_64bit_parent): Rename from wow64_respawn. (wow64_test_for_64bit_parent): Rename from wow64_started_from_native64. Change comment. (wow64_revert_to_original_stack): New function. (wow64_respawn_process): Rename from respawn_wow64_process for symmetry. * wow64.h: New file.
* * dcrt0.cc (init_windows_system_directory): Record system_wow64_directoryChristopher Faylor2011-12-131-6/+17
| | | | | | | | | | | | | | | | | | | | | | | information. * exceptions.cc (_cygtls::inside_kernel): Modernize comment. Consider executing a DLL from the Wow64 directory as being "in the kernel". (_cygtls::call_signal_handler): For now, only deal with main_tls signals if main_tls is known to be executing in the cygwin DLL. To more closely emulate linux, consider the operation to be restartable if not executing in the main thread. * globals.cc (windows_system_directory): Remove NO_COPY. (windows_system_directory_length): Ditto. (system_wow64_directory): New variable. (system_wow64_directory_length): Ditto. * select.cc (cygwin_select): Don't issue a EINTR on non-main threads since that seems to be what Linux does. Add missing break to signal case/switch. (select_stuff::wait): Don't issue a EINTR on non-main threads since that seems to be what Linux does. Remove now-unneeded accommodation for WAIT_IO_COMPLETION. Add a comment. * sigproc.h (cygwait): Ditto. Don't return if signal_received noticed and it's not the main thread. * signal.cc (sigprocmask): Add standard syscall debug stuff. * thread.cc (pthread_sigmask): Ditto.
* * dcrt0.cc (wow64_respawn): New static variable.Corinna Vinschen2011-12-121-1/+85
| | | | | | | | | | | | (wow64_started_from_native64): New function to check if a WOW64 process got started from a native 64 bit process. (respawn_wow64_process): New function to respawn process. (dll_crt0_0): When started from a native parent, check if parent is a 64 bit process. If so, return early. (_dll_crt0): Respawn WOW64 process here if required. * init.cc (respawn_wow64_process): Remove. (dll_entry): Rename wow64_test_stack_marker to test_stack_marker. Drop WOW64 test here.
* Add ChangeLog entry for previous change and revert erroneously checked inChristopher Faylor2011-12-101-83/+0
| | | | changes to dcrt0.cc and init.cc
* Clarify entryChristopher Faylor2011-12-101-0/+83
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* * cygthread.h (cygthread::name): Default name to "main" if we are early in theChristopher Faylor2011-11-241-15/+7
| | | | | | | | | | | | | | | | | | | | | | | | | process of setting up the DLL and no name is known. * dcrt0.cc (initial_env): Remove CYGWIN_SLEEP stuff. (get_cygwin_startup_info): Activate strace here as appropriate. (dll_crt0_0): Move get_cygwin_startup_info as early as possible to avoid missing strace output. * fork.cc (frok::child): Move debugging statement to point where ppid will be set. * pinfo.cc (pinfo::thisproc): Remove obsolete call to strace.hello. Tweak debug output slightly. * select.cc (select_stuff::wait): Allow APCS to be triggered while waiting since we use them now. Report when that happens. * sigproc.cc (child_info::child_info): Use strace.active() rather than strace.attached(). * spawn.cc (child_info_spawn::worker): Only write strace child pid when we know it's a cygwin process. Accommodate change to write_child argument list. * strace.cc (strace::hello): Delete. Move functionality... (strace::activate): ...to here. (mypid): Just use raw GetCurrentProcessId () if myself isn't set. (strace::write_childpid): Don't wait for subproc_ready. Remove arg which was required for it. * include/sys/strace.h (strace::hello): Delete. (strace::write_childpid): Delete first argument.
* * child_info.h (CURR_CHILD_INFO_MAGIC): Reset for previous changes.Christopher Faylor2011-11-241-2/+3
| | | | | | | | | | | | | | | * dcrt0.cc (get_cygwin_startup_info): Signal readiness when stracing since strace::write_child relies on it. Use strace.activate to notify strace process, passing in arg indicating whether we're forked. * sigproc.cc (wait_sig): Accommodate new strace::activate argument. * spawn.cc (child_info_spawn::worker): Oops. Previous suspended test was actually correct. Revert and document. * strace.cc (strace::activate): Send additional flag indicating whether this is an attempt to activate a forked process. (strace::hello): Report on windows pid. * include/sys/strace.h (strace::strace): Make a dummy. (strace::activate): Modify declaration to accept an argument. (strace::write_childpid): Set regparm.
* * child_info.h (CURR_CHILD_INFO_MAGIC): Reset.Christopher Faylor2011-11-161-2/+1
| | | | | | | | | | | | | | | | | | | | | | (cygheap_exec_info::nchildren): Move from child_info_spawn. (cygheap_exec_info::cchildren): Ditto. (cygheap_exec_info::record_children): Declare new function. (cygheap_exec_info::reattach_children): Ditto. (cygheap_exec_info::alloc): Ditto. (child_info_spawn::nchildren): Move to cygheap_exec_info. (child_info_spawn::cchildren): Ditto. * sigproc.cc (cygheap_exec_info::alloc): Define new function. (child_info_spawn::cleanup): Accommodate move of children info to cygheap_exec_info. (cygheap_exec_info::record_children): Define new function. (cygheap_exec_info::reattach_children): Ditto. (child_info_spawn::record_children): Use cygheap_exec_info function to accomplish this task. (child_info_spawn::reattach_children): Ditto. * spawn.cc (child_info_spawn::worker): Allocate moreinfo using cygheap_exec_info::alloc. * dcrt0.cc (child_info_fork::alloc_stack_hard_way): Use abort for the error to avoid a retry.
* Throughout use "have_execed" macro rather than "hExeced" global handle.Christopher Faylor2011-11-141-10/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Throughout rename _PROC_* to _CH_*. * child_info.h: Include "pinfo.h". (child_info_types): Rename _PROC_* -> _CH_* to avoid confusion with similarly named constants. (_PROC_*): Delete unneeded aliases. (PROC_*): Ditto. (CURR_CHILD_INFO_MAGIC): Ditto. (cchildren): Define using "pinfo_minimal". (child_info::set_saw_ctrl_c): Move to (child_info_spawn::set_saw_ctrl_c): Here. (child_info_spawn::lock): New field. (child_info_spawn::hExeced): Ditto. (child_info_spawn::ev): Ditto. (child_info_spawn::~child_info_spawn): Move to sigproc.cc. (child_info_spawn::child_info_spawn): Ditto. (child_info_spawn::cleanup): Declare new function. (child_info_spawn::set_saw_ctrl_c): Move to this class. Set flag only when execed and return true when we have set the flag. (child_info_spawn::child_info_spawn::signal_myself_exited): New function. (child_info_spawn::wait_for_myself): Ditto. (child_info_spawn::has_execed_cygwin): Ditto. (child_info_spawn::has_execed): Ditto. Replaces "hExeced" test. (child_info_spawn::operator HANDLE&): New operator. (child_info_spawn::worker): Define old "spawn_guts" as class member. (ch_spawn): Declare. (have_execed): Define. (have_execed_cygwin): Ditto. * cygheap.h: Update comment. * dcrt0.cc (get_cygwin_startup_info): Use _CH_* enums. (child_info_spawn::handle_spawn): Ditto. (dll_crt0_0): Ditto. (multiple_cygwin_problem): Ditto. * exceptions.cc (chExeced): Delete obsolete declaration. (ctrl_c_handler): Reference set_saw_ctrl_c via new ch_spawn global. * globals.cc (hExeced): Delete. * pinfo.cc (pinfo::thisproc): Refer to cygheap as ::cygheap for consistency in handle naming when -DDEBUGGING. (pinfo::init): Accommodate case where myself.h is known but h0 is passed in. (pinfo::pinfo): New constructor for setting up a pinfo passed in by previous exec'or. (pinfo::proc_waiter): Don't handle subprocess if we're in the process of exiting due to an exec of a cygwin process. Don't close rd_proc_pipe here. Close it when we actually are finished with the process. Use new ch_spawn.signal_myself_exited function to let exec stub know that subprocess has exited. (pinfo::wait): Clarify debugging output. (pinfo::release): Use "close_h" to close all handles to avoid races. (winpids::add): Assume that elements of the array do not need to be zeroed and are properly initialized or suffer problems on pinfo::release. Don't close hProcess since release does that now. * pinfo.h: Update comment. (pinfo_minimal): Move some elements from pinfo here so that child_info_spawn can use them. (pinfo): Inherit from pinfo_minimal. (pinfo::pinfo): Modify to accommodate new pinfo_minimal. (pinfo::allow_remove): New function. * sigproc.cc (proc_subproc): Use boolean values for true/false. Implement PROC_EXEC_CLEANUP. (proc_terminate): Set ppid = 1 since the procs list will only be iterated when the process has not execed. Don't do any cleanup here since it is now handled in pinfo::release. (sigproc_init): Initialize sync_proc_subproc earlier. (child_info::child_info): Assume that all important fields are properly initialized and avoid memset(). (child_info_spawn::child_info_spawn): Specifically test for execing and then set up appropriate fields in the struct. (child_info_spawn::cleanup): Define new function. (child_info_spawn::record_children): Specifically test for being execed here. Fill in pinfo_minimal part of children array. (child_info_spawn::reattach_children): Use constructor to duplicate information for previous exec'or. Add more debugging output. (remove_proc): Force deletion of thread when exiting due to exec. Rely on pinfo::cleanup in release. * sigproc.h (PROC_EXEC_CLEANUP): New enum. (PROC_DETACHED_CHILD): Delete. * spawn.cc (chExeced): Delete. (child_info_spawn::worker): Rename from spawn_guts. Use elements of child_info_spawn throughout rather than ch.whatever. Use ::cygheap to refer to global rather than element of child_info. Use wait_for_myself() rather than waitpid(). Call child_info_spawn::cleanup on function return. (spawnve): Reflect movement of spawn_guts functionality into child_info_spawn::worker. * syscalls.cc (popen): Ditto. * winsup.h (spawn_guts): Delete declaration.
* * child_info.h (cchildren): New struct.Christopher Faylor2011-10-261-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | (child_info_spawn::nchildren): Rename from nprocs. (child_info_spawn::children): Change type to cchildren for more bookkeeping possibilities. (child_info_spawn::child_info_spawn): Clear nchildren. (child_info_spawn::record_children): Declare new function. (child_info_spawn::reattach_children): Ditto. * dcrt0.cc (child_info_spawn::handle_spawn): Call reattach_children to gather list of processes we are potentially waiting for. * pinfo.h (pinfo::pinfo): Make sure that rd_proc_pipe is always cleared. (pinfo::reattach): New function. * sigproc.cc: Move pinfo.h earlier so that it can be used in sigproc.h. (get_proc_lock): Don't bother with a lock during DLL initialization. (proc_subproc): Handle PROC_REATTACH_CHILD. (proc_terminate): Orphan children only when we are not an execed process or when the pid is about to be occupied by a non-cygwin process. (child_info_spawn::record_children): Define new function. (child_info_spawn::reattach_children): Ditto. * sigproc.h (procstuff): Define PROC_REATTACH_CHILD and renumber other elements. * spawn.cc (spawn_guts): Record any to-be-waited-for subprocesses if about to exec a cygwin process. * sigproc.cc (sig_send): Fix harmless transposition of fifth and six arguments to DuplicateHandle(). (child_info::child_info): Ditto. * globals.cc (hExeced): Make NO_COPY.
* * dcrt0.cc (dll_crt0_1): Copy argv before passing to main().Christopher Faylor2011-10-171-1/+12
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* * dcrt0.cc (dll_crt0_0): Remove unneeded __stdcall decoration.Christopher Faylor2011-08-181-1/+1
| | | | * init.cc: Reflect change to dll_crt0_0 in declaration.
* * cygthread.cc (cygthread::async_create): Define new function.Christopher Faylor2011-07-301-2/+3
| | | | | | | | | | | * cygthread.h (cygthread::create): Use correct regparm. (cygthread::standalone): Delete from class and from all constructors. (cygthread::cygthread): Use three only arguments for detached threads, and start the thread via QueueUserAPC/async_create. * dcrt0.cc (dll_crt0_0): Remove handling for wincap.has_buggy_thread_startup. (dll_crt0_1): Ditto. * wincap.cc: Ditto throughout. * wincap.h: Ditto.
* Throughout, open console handles with sharing for reading and writing.Corinna Vinschen2011-07-041-6/+6
| | | | | | * dcrt0.cc (insert_file): Open file with full sharing allowed. * hookapi.cc (find_first_notloaded_dll): Ditto. * spawn.cc (av::fixup): Ditto.
* * dcrt0.cc (dll_crt0_1): Call strace.dll_info after call to pinfo_init.Corinna Vinschen2011-06-171-0/+1
| | | | | | | * strace.cc (strace::hello): Drop printing DLL information here since application info is not always available at this point. (strace::dll_info): New method to print DLL info. * include/sys/strace.h (strace::dll_info): Declare.
* * cygheap.h (init_cygheap::ctty_on_hold): Remove conditionalized variable.Christopher Faylor2011-06-141-6/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * dcrt0.cc (do_exit): Remove code which handled CYGWIN=tty style ttys. * devices.in: Remove "/dev/ttym". * dtable.cc: Rename tty to pty where appropriate throughout. (dtable::stdio_init): Use new t->is_console rather than using now-deleted hwnd element in tty structure. (dtable::init_std_file_from_handle): Remove code which handled CYGWIN=tty style ttys. (fh_alloc): Ditto. * fhandler.h: Rename tty to pty where appropriate. (fhandler_pty_common): Delete output_done_event, ioctl_request_event, ioctl_done_event. (fhandler_pty_master::setup): Delete argument. (fhandler_tty_master): Delete. (fhandler_union): Delete __tty_master. * fhandler_console.cc (use_tty): Delete. (fhandler_console::get_tty_stuff): Set is_console to true rather than calling sethwnd. (fhandler_console::send_winch_maybe): Remove CYGWIN=tty considerations. (fhandler_console::input_tcsetattr): Ditto. * fhandler_termios.cc (fhandler_termios::tcsetpgrp): Use new t->is_console rather than using now-deleted hwnd element in tty structure. * fhandler_tty.cc: Rename tty to pty where appropriate throughout. (tty_master): Delete. (process_input): Ditto. (process_output): Ditto. (process_ioctl): Ditto. (fhandler_tty_master::*): Ditto. (fhandler_pty_master::process_slave_output): Remove CYGWIN=tty considerations. (fhandler_pty_slave::open): Ditto for *_done_event. (fhandler_pty_slave::write): Ditto. (fhandler_pty_slave::ioctl): Ditto. (fhandler_pty_slave::fch_open_handles): Ditto. (fhandler_pty_slave::fch_set_sd): Ditto. (fhandler_pty_slave::fch_close_handles): Ditto. (fhandler_pty_common::close): Ditto. (fhandler_pty_master::setup): Ditto. Remove now-unneeded ispty parameter. (fhandler_pty_master::open): Reflect argument removal for tty::allocate. * select.cc: Rename tty to pty where appropriate throughout. * sigproc.cc (proc_subproc): Remove CYGWIN=tty considerations. * tty.cc (ttyslot): Accommodate CYGWIN=tty removal. (tty_list::init_session): Ditto. (tty_list::attach): Ditto. (tty::create_master): Delete. (tty_list::terminate): Ditto. (tty_list::allocate): Delete "with_console" parameter. Remove CYGWIN=tty considerations. (tty::init): Set is_console = false. Use 'false' for was_opened since it is a boolean. * tty.h (*_{DONE,REQUEST}_EVENT): Delete. (tty_min::is_console): Declare new field which replaces hwnd. (tty_min::gethwnd): Delete. (tty_min::sethwnd): Ditto. (tty_list::allocate): Delete parameter. (tty_list::terminate): Delete declaration. * include/sys/cygwin.h (PID_USETTY): Redefine to PID_UNUSED1 and change comment to reflect its availability.
* * child_info.h (CURR_CHILD_INFO_MAGIC): Reset.Christopher Faylor2011-06-091-30/+0
| | | | | | | | | | | | | | | | (child_info::old_title): Delete. (child_info::~child_info_spawn): Remove recording of old_title. * dcrt0.cc (title_buf): Delete. (child_info_spawn::handle_spawn): Remove recording of old_title. (dll_crt0_1): Get rid of all title handling. (do_exit): Ditto. * environ.cc (known): Delete strip_title and title. * fhandler_console.cc (fhandler_console::write): Remove recording of old_title. * globals.cc (exit_states): Remove ES_TITLE. (display_title): Delete. (strip_title_path): Delete. (old_title): Delete. * spawn.cc (spawn_guts): Remove old_title accommodation.
* whitespace eliminationChristopher Faylor2011-06-061-2/+2
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* * autoload.cc: Call _api_fatal in asm.Christopher Faylor2011-05-281-5/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * child_info.h: Redefine CURR_CHILD_INFO_MAGIC. (child_info_fork::abort): Rename from handle_failure. Change arguments. * cygtls.h (_local_storage::ttybuf): New field. * dcrt0.cc (vapi_fatal): Split api_fatal. Add "in forked process" to message when appropriate. (api_fatal): Use vapi_fatal. * devices.h: Make multiple inclusion safe. (fh_devices): Add FH_CONS* stuff. Reorder slightly. (device): Eliminate anonymous union. Add more ways to access minor/major. (device::setunit): Accommodate no-longer-anonymous union. (device::is_fs): Ditto. (device::is_fs_special): Ditto. (device::major): New function. (device::minor): Ditto. (device::is_device): New function. (device::not_device): Ditto. (device::operator int): New operator. (device::operator fh_devices): Ditto. (device::operator bool): Ditto. (device::operator DWORD): Ditto. (device::operator =): Ditto. (isproc_dev): New function. (isprocsys_dev): Ditto. (iscons_dev): Ditto. (istty_slave_dev): Ditto. * devices.in: Add new "/dev/cons*" strings. Accommodate no-longer-anonymous union throughout. (BRACK): Use more precise method for initialization. * devices.cc: Regenerate. * dtable.cc (dtable::stdio_init): Use get_cttyp instead of get_tty. (dtable::find_archetype): Use new DWORD operator in device to test archetypes. (dtable::init_std_file_from_handle): Use different method to initialize 'dev'. Adapt to different ctty handling and accommodate /dev/cons*. (fh_alloc): Accommodate no-longer-anonymous union. Adapt to new /dev/cons*. (build_fh_pc): Make debugging output more useful. * exceptions.cc (ctrl_c_handler): Use get_cttyp instead of get_tty. * external.cc (fillout_pinfo): Accommodate new cons* stuff. * fhandler.cc (fhandler_base::read): Eliminate is_slow() test. * fhandler.h (fhandler_base::*): Adapt to changes in device.h. (fhandler_*::is_slow): Delete. ( fhandler_proc::get_proc_fhandler): Return fh_devices type. * fhandler_console.cc (open_shared_console): New function. (console_unit): New class. (console_unit::console_unit): New constructor. (enum_windows): New function. Declare as friend to console_unit. (fhandler_console::set_unit): New function. (fhandler_console::get_tty_stuff): Call set_unit to set the unit number and determine if initialization is needed. Eliminate flags parameter. (tty_list::get_cttyp): Rename (sorta) from get_tty. Return pointer to correct tty_min. (fhandler_console::open): Adapt to elimination of argument to get_tty_stuff. (fhandler_console::output_tcsetattr): Properly detect error condition. (fhandler_console::fixup_after_fork_exec): Adapt to get_tty_stuff() setting tc automatically. * fhandler_proc.cc: Use FH_BAD rather than 0 throughout where using fh_devices enum. (fhandler_proc::get_proc_fhandler): Return fh_devices. Adapt to devices.h changes. * fhandler_process.cc: Adapt to devices.h changes. Use FH_BAD rather than 0 throughout where using fh_devices enum. * fhandler_procnet.cc: Ditto. * fhandler_procsys.cc: Ditto. * fhandler_procsysvipc.cc: Ditto. * fhandler_tape.cc (fhandler_dev_tape::fhandler_dev_tape): Ditto. * fhandler_termios.cc (handler_termios::bg_check): Use tc->ttyname() rather than assuming that we can construct a tty. * fhandler_tty.cc (fhandler_tty_master::fhandler_tty_master): Just return get_minor() of dev. (fhandler_pty_master::process_slave_output): Add slightly more debugging info. (fhandler_tty_slave::fhandler_tty_slave): Change name from ntty to unit. (fhandler_pty_master::open): Ditto. (fhandler_tty_slave::ioctl): Adapt to change which causes ctty to represent a complete device. (fhandler_tty_master::init_console): Add debugging for failure path. (fhandler_pty_master::setup): Use get_unit() to retrieve unit number rather than relying on raw ntty. (fhandler_pty_master::setup): Ditto. * fhandler_virtual.h (virt_tab_t): Redefine fhandler as fh_devices. * fork.cc: Remove obsolete vfork stuff. (frok::child): Don't assume that a ctty == 0 is valid. * mount.cc (mount_info::conv_to_win32_path): Adapt to device struct changes. (mount_info::conv_to_win32_path): Ditto. * path.cc (path_conv::check): Retrive major/minor numbers via a method rather than accessing them directly from device. Rely on dev operators to set/retrieve device information as required by device struct change. * path.h (isproc_dev): Move to devices.h. (isprocsys_dev): Ditto. (isvirtual_dev): Ditto. (path_conv:{isdevice,isfifo,isspecial,iscygdrive,issocket,get_devn,get_unitn}): Use device methods to access/manipulate devices. * pinfo.cc (pinfo::exit): Don't assume that ctty == 0 is valid. Use iscons_dev to determine if a device is a console. (_pinfo::_ctty): Use device::parse to generate tty/cons name. (_pinfo::set_ctty): Don't assume that ctty == 0 is valid. Remove redundant info from debugging. * shared.cc (offsets): Remove console offset. * shared_info.h (shared_locations): Ditto. * syscalls.cc (umask): Use device methods to manipulate device information. (ctermid): Use device::parse to generate term device name. * tlsoffsets.h: Regenerate. * tty.cc (ttyslot): Return minor number of ctty since ctty now represents a full device. (tty::create_master): Set ctty to a complete device. (tty_list::attach): Rework to detect new /dev/cons* stuff. (tty_list::terminate): Adapt to changes to ctty. (tty_list::init): Adapt to change to setntty - pass in device major number. (tty::exists): Use get_unit() to retrive tty unit number. (tty::open_mutex): Ditto. (tty::open_inuse): Ditto. (tty::create_inuse): Ditto. (tty::get_event): Ditto. (tty_min::ttyname): Define new function. * tty.h (tty_min::ntty): Redefine as fh_devices. (tty::exists): Use get_unit() to retrive tty unit number. (tty::open_mutex): Ditto. (tty::open_inuse): Ditto. (tty::create_inuse): Ditto. (tty::get_event): Ditto. (tty_min::ttyname): Declare new function. (tty::getntty): Declare as const. (tty_list::operator []): Assure that only minor part of argument is used. * dll_init.cc (dll_list::alloc): Detect mismatch of data segments early issuing an explicit error message if necessary. * heap.cc (heap_init): Adapt to changes from fork->handle_failure to fork->abort. * pinfo.h (EXITCODE_FORK_FAILED): New enum. (from Ryan Johnson) * sigproc.cc (child_info_fork::abort): Rename from handle_failure. Change arguments to allow passing in a printf-like message. * winsup.h (api_fatal): Delete macro definition. (api_fatal): Redefine from __api_fatal. (vapi_fatal): Declare new function. * include/sys/strace.h (strace_vprintf): Define new macro. * ntdll.h (_SYSTEM_INFORMATION_CLASS): Add SystemHandleInformation.
* * child_info.h (CURR_CHILD_INFO_MAGIC): Update.Corinna Vinschen2011-05-201-44/+28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (class child_info_fork): Remove stacksize, add stackaddr and guardsize members. * dcrt0.cc (child_info_fork::alloc_stack_hard_way): Partial rewrite to regenerate the stack exactly as in the parent. (child_info_fork::alloc_stack): Set stackaddr to 0, rather than stacksize. (dll_crt0_1): Check for stackaddr before changing the stack addresses in the TEB. * fork.cc (frok::child): Check for stackaddr here. (frok::parent): Set ch.stackaddr and ch.guardsize if not called from the main thread. * init.cc (dll_entry): Replace pointer to NT_TIB with pointer to TEB. Fix incorrectly changed address test before removing _my_tls. Set StackLimit to NULL on Windows 2000. Explain why. * miscfuncs.cc (struct thread_wrapper_arg): Store stackbase rather than stacksize, store commitaddr, remove guardsize. Store all pointers as char * for easier address arithmetic. (thread_wrapper): Rewrite to remove OS stack before calling thread function. Add lots of comments to explain what we do. (CygwinCreateThread): Reserve our own stack in case we got no application stack. Add comments. * ntdll.h (struct _TEB): Extend defintion up to DeallocationStack member. * thread.cc (pthread_attr::pthread_attr): Use "(size_t) -1" rather then 0xffffffff. * wincap.h (wincaps::has_stack_size_param_is_a_reservation): New element. * wincap.cc: Implement above element throughout.
* * dcrt0.cc (child_info_fork::alloc_stack_hard_way): Check if theCorinna Vinschen2011-05-161-0/+9
| | | | | | | | | requested stack is application-provided within the user heap or an mmapped region. If so, just use it. Add comment to explain why. * miscfuncs.cc (thread_wrapper): If an application-provided stack has been given, implement cygtls area at the stackbase. Fix comment. * mmap.cc (is_mmapped_region): New function. * winsup.h (is_mmapped_region): Declare.
* * dcrt0.cc (dll_crt0_1): Reset locale to "C" even when dynamicallyCorinna Vinschen2011-05-051-1/+4
| | | | loaded.
* * advapi32.cc (InitializeAcl): Remove.Corinna Vinschen2011-04-281-1/+1
| | | | | | | | | | | | | | | | | (AddAce): Remove. (FindFirstFreeAce): Remove. (GetAce): Remove. (InitializeSecurityDescriptor): Remove. (OpenProcessToken): Remove. * dcrt0.cc: Replace above functions throughout with their ntdll.dll equivalent. * fhandler_tty.cc: Ditto. * flock.cc: Ditto. * pinfo.cc: Ditto. Drop unnecessary error handling. * sec_acl.cc: Ditto. * sec_auth.cc: Ditto. * sec_helper.cc: Ditto. * security.cc: Ditto.
* * autoload.cc (GetExtendedTcpTable): Remove.Corinna Vinschen2011-04-021-53/+0
| | | | | | | | | | | | | (GetTcpTable): Remove. (CharNextExA): Remove. (FindWindowA): Remove. (ShowWindowAsync): Remove. * dcrt0.cc (disable_dep): Remove unused function. (dll_crt0_0): Drop comment babbling about TS & DEP. * fhandler_socket.cc (address_in_use): Remove unused function. * wincap.cc: Throughout, drop ts_has_dep_problem from wincaps. (wincapc::init): Drop code setting ts_has_dep_problem flag. * wincap.h (struct wincaps): Drop ts_has_dep_problem flags and method.
* * crt0.c (mainCRTStartup): Move call to _feinitialise from here...Corinna Vinschen2011-03-171-0/+4
| | | | * dcrt0.cc (_dll_crt0): ...to here.
* * dcrt0.cc: Fix copyright dates.Corinna Vinschen2011-02-221-2/+1
| | | | | * winsup.h: Ditto. * syscalls.cc (_read): Move EXPORT_ALIAS to its rightful place.
* * dcrt0.cc (dll_crt0_1): Add a CYGHEAP_DEBUG conditional for debugging whichChristopher Faylor2011-02-181-2/+11
| | | | allocates a lot of space at startup.
* cygwin:Christopher Faylor2010-12-261-0/+2
| | | | | | | | | | | | * cygwin.din: Export program_invocation_name and program_invocation_short_name. * dcrt0.cc: Set program_invocation*name to correct values, based on argv[0]. * globals.cc (program_invocation_name): Define. (program_invocation_short_name): Ditto newlib: * libc/include/sys/errno.h (program_invocation_name): Declare. (program_invocation_short_name): Ditto.
* * dcrt0.cc (do_exit): Don't set thread termination until all fds have beenChristopher Faylor2010-10-241-7/+7
| | | | | | | | | closed since an fd may rely on a thread. * fhandler_tty.cc: Reformat comment. (fhandler_pty_master::pty_master_thread): Refuse ERROR_PIPE_CONNECTED state as an error. * globals.cc (exit_states): Reorder ES_THREADTERM. * path.cc (find_fast_cwd_pointers): Remove excessively wordy DEBUGGING output.
* * dcrt0.cc (dll_crt0_0): Move _main_tls initialization here.Christopher Faylor2010-10-021-2/+6
| | | | | (__dll_crt0): Only initialize _main_tls if it changes. * fhandler_console.cc (fhandler_console::write): Fix debugging output.
* * dcrt0.cc (__main): Force signal synchronization.Christopher Faylor2010-09-261-2/+0
|
* * wincap.h (wincaps::has_buggy_thread_startup): Declare.Christopher Faylor2010-09-191-14/+13
| | | | | | | | | | | | | | (wincapc::has_buggy_thread_startup): Ditto. * wincap.cc::wincap_*): Accommodate has_buggy_thread_startup. (wincapc::init): Explicitly turn off has_buggy_thread_startup if not WOW64. * cygthread.h (cygthread::thread_handle): Declare/define new method. * dcrt0.cc (_dll_crt0): Don't call __sinit here. (dll_crt0_0): Don't call sigproc_init during initialization if wincap.has_buggy_thread_startup(). (dll_crt0_1): Defer sigproc_init to here when wincap.has_buggy_thread_startup(). Call __sinit after we've determined that we're not forking. (__main): Rework comments. Add potential future reminder.
* * cygthread.h (cygthread::cygthread): Reorganize slightly.Christopher Faylor2010-09-121-13/+9
| | | | | | | | | * dcrt0.cc (dll_crt0_0): Move sigproc initialization later to ensure everything we need has been set up. (dll_crt0_1): Streamline some logic slightly. * sigproc.cc (no_signals_available): Add back dropped test for macro parameter. * fhandler_console.cc (fhandler_console::write): Show a little bit of what's being written to the console in debugging output.
* * dcrt0.cc (dll_crt0_0): Remove myself settings.Christopher Faylor2010-09-011-3/+0
| | | | | | | * fork.cc (fork): Set myself process_state * pinfo.cc (pinfo_init): Ditto. (pinfo::thisproc): Make sure any sendsig setting is correctly copied. * pinfo.h: Update copyright. Remove unused code.
* * cygthread.cc (cygthread::create): Fix incorrect use of name rather thanChristopher Faylor2010-09-011-8/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | __name. * cygthread.h (cygthread::cygthread): Create versions which eliminate 'n' parameter. * dcrt0.cc (dll_crt0_1): Remove check for threadfunc_ix. Remove obsolete comments. Set process_state to active here. * fhandler_netdrive.cc (create_thread_and_wait): Use shortened cygthread constructor. * timer.cc (timer_tracker::settime): Ditto. * window.cc (HWND): Ditto. * fhandler_tty.cc: Use shortened cygthread constructor, where appropriate, throughout. * select.cc: Ditto. * fork.cc (frok::child): Remove wait_for_sigthread. (fork): Reformat if for slightly better clarity. * init.cc (dll_finished_loading): New variable. (dll_entry): Use dll_finished_loading to determine when we should call merge_threadfunc. * sigproc.cc (no_signals_available): Simplify by using my_readsig. (wait_sig_inited): Delete. (wait_sig): Define as void function. (pending_signals): Accommodate change to wait_sig definition. (wait_for_sigthread): Delete definition. (sigproc_init): Initialize signal pipe here, before wait_sig thread is created. Use void form of cygthread creation. (init_sig_pipe): Delete. (wait_sig): Return void rather than DWORD. Assume previous initialization of signal pipe. Set my_sendsig to NULL when exiting. * sigproc.h (wait_for_sigthread): Delete declaration.
* * dcrt0.cc (dll_crt0_0): Move sigproc_init later, after cygheap initializationChristopher Faylor2010-08-301-6/+6
| | | | | since it relies on the cygheap existing (even if it shouldn't matter do to dll initialization serialization).
* * autoload.cc (LoadDLLprime): Change dllname storage to string16.Corinna Vinschen2010-08-281-0/+15
| | | | | | | | | | | | | | | | (struct dll_info): Convert name to WCHAR. (std_dll_init): Load DLLs with full path to windows system directory. Add hint to Microsoft security advisory. * dcrt0.cc (init_windows_system_directory): New function. (dll_crt0_0): Call init_windows_system_directory first. * exceptions.cc (windows_system_directory): Move to globals.cc. (windows_system_directory_length): Ditto. (events_init): Drop code fetching windows_system_directory. * globals.cc (windows_system_directory): New global variable. (windows_system_directory_length): Ditto. * net.cc (load_ipv6_funcs): Use windows_system_directory rather than GetSystemDirectoryW. * netdb.cc (open_system_file): Ditto. Simplify debug output.
* * dcrt0.cc (__api_fatal): Temporarily generate a stackdump.Christopher Faylor2010-06-211-0/+3
|
* * Makefile.in (DLL_OFILES): Add pseudo-reloc.o.Christopher Faylor2010-05-071-2/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * dcrt0.cc (child_info_fork::handle_fork): Call _pei386_runtime_relocator here. (dll_crt0_1): Ditto for non-fork case. * dll_init.cc (dll::init): Complain more in comment. Clean up slightly. (dll_dllcrt0_1): Call _pei386_runtime_relocator when we know we have a filled-in per_process structure. * globals.cc (__cygwin_user_data): Accommodate new fields for _pei386_runtime_relocator. * pseudo-reloc.cc: New file adapted from old lib/pseudo-reloc.c. Include winsup.h directly. Collapse #ifdef __CYGWIN__ into one block. Perform minor whitespace code reformatting. (__report_error): Use small_printf to output error. (_pei386_runtime_relocator): Conditionalize for cygwin to take per_process pointer parameter. * winsup.h (_pei386_runtime_relocator): Declare. * include/cygwin/version.h (CYGWIN_VERSION_PER_PROCESS_API_VERSION_COMBINED): New macro. (CYGWIN_VERSION_USER_API_VERSION_COMBINED): Use above macro. (CYGWIN_VERSION_USE_PSEUDO_RELOC_IN_DLL): New macro. (CYGWIN_VERSION_API_MINOR): Bump to 227. * include/sys/cygwin.h: Remove obsolete comment. (per_process::unused2): Shorten. (per_process::pseudo_reloc_start): New field. (per_process::pseudo_reloc_end): Ditto. (per_process::image_base): Ditto. * lib/_cygwin_crt0_common.cc: Declare pseudo runtime externs needed for per_process structure. (_cygwin_crt0_common): Fill in pseudo_reloc runtime constants. * lib/pseudo-reloc-dummy.c: New file. Dummy function to satisify ld. * lib/pseudo-reloc.c: Delete.
* * globals.cc (exit_status): Add new ES_EXIT_STARTING enum.Christopher Faylor2010-03-281-0/+1
| | | | | | | * dcrt0.cc (cygwin_exit): Set exit_state to ES_EXIT_STARTING prior to calling real exit. * dll_init.cc (dll_list::detach): Remove dll from linked list and call destructors even if exiting. Don't call __cxa_finalize in exiting case.
* * shared_info.h (user_info): Add dll_crt0_1 as a friend.Christopher Faylor2010-03-151-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (user_info::version): Make LONG to accommodate spinlock use. (user_info::create): New static function renamed from user_info_create. (user_info::initialize): New private function renamed from user_info_initialize. (SHARED_VERSION): Delete. (SHARED_VERSION_MAGIC): Ditto. (USER_VERSION_MAGIC): Ditto. (SHARED_INFO_CB): Ditto. (USER_VERSION): Ditto. (USER_VERSION_MAGIC): Ditto. (CURR_SHARED_MAGIC): Update. (CURR_USER_MAGIC): Ditto. (shared_info::version): Make LONG to accommodate spinlock use. (shared_info::create): New static function mirroring user_info::create. (dll_crt0_1): Accommodate change to user_info::initialize. * spinlock.h (spinlock::setto): New variable member. (spinlock::done): New function. (spinlock::spinlock): Generalize to allow arbitrary values and timeouts. Call done() when lock is not needed. * ntdll.h: Make multiple-inclusion safe. (NtQuerySystemTime): Declare. * shared.cc (installation_root_inited): Rename from shared_mem_inited. (init_installation_root): Make inline. Use a spinlock to ensure that this is initialized only once per session. (user_info::initialize): Rename from user_shared_initialize. Protect with spinlock on sversion and remove other spinlock-like things. Remove reference to user_shared since it is now implicit. Refer to spinlock version of multiple_cygwin_problem to ensure that any spinlock is released. (user_info::create): Rename from user_shared_create. Accommodate change from user_shared_initialize to user_info::initialize. (shared_info::create): New inline function. (shared_info::initialize): Protect with spinlock on sversion. Move heap_init back under specific control of shared_info spinlock. Remove reference to SHARED_INFO_CB and just use sizeof(*this). (memory_init): Move all locking into respective functions where it is needed. Accommodate name changes. Remove call to heap_init(). * syscalls.cc (seteuid32): Accommodate name change to user_info::create(). * mount.cc (mount_info::create_root_entry): Report on errors from add_item since they should be nonexistent. (mount_info::init): Don't initialize nmounts. It should already be zero. Give more verbose error when root_idx < 0. Implicitly use this pointer rather than explicitly referencing mount_table->. (mount_info::add_item): Minor whitespace fix.
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